Are you Mary J. Keegan, APN? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileMary J. Keegan, APN is a nurse practitioner — adult health based in Saint Louis, MO. Mary is also listed as specializing in nurse practitioner, nurse practitioner — acute care, and registered nurse. Medicare claims data shows Mary provided 486 services to 379 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, and management using the results of remote vital sign monitoring per calendar month, first 20 minutes. The provider's National Provider Identifier (NPI) is 1336157213.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
3660 VISTA AVE
Saint Louis, MO 63110
130 Westmount Dr
Farmington, MO 63640
Within Nurse Practitioner - Adult Health generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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486 services · 379 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
98 | More often than most peers in Nurse Practitioner, Adult |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
199 | More often than most peers in Nurse Practitioner, Adult |
| Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | Office visit | 99457 |
55 | As often as other peers in Nurse Practitioner, Adult |
| Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | Office visit | 99454 |
47 | Less often than most peers in Nurse Practitioner, Adult |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
29 | As often as other peers in Nurse Practitioner, Adult |
| Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | Office visit | 99458 |
25 | Less often than most peers in Nurse Practitioner, Adult |
| Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes | Office visit | 99451 |
17 | Too few peers to compare |
| Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment | Office visit | 99453 |
16 | Less often than most peers in Nurse Practitioner, Adult |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Mary J. Keegan is a nurse practitioner in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Adult Health”.
NPI registry
Mary J. Keegan is listed at 3660 Vista Ave, Saint Louis, MO 63110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (314) 977-6100. Contact the office directly to confirm availability and scheduling.
NPI registry
Mary J. Keegan's National Provider Identifier is 1336157213. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Mary J. Keegan attended Other, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
Mary J. Keegan has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Mary J. Keegan provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Mary J. Keegan. If this is you, claiming it is free.
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